Browsing The Library by Author "Uda, Hashim, Prof. Dr."

Now showing items 21-40 of 53

    • Fabrication of ISFET for pH detection 

      Chong, Soon Weng; Nur Hamidah, Abdul Halim; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      The ability to detect variation of pH from the changes ions concentration has gained Ion Sensitive Field Effect Transistor (ISFET) huge interest in various fields such as environmental monitoring in agricultural sector and ...

    • Formation of Si nanostructure using size reduction technique 

      Th., Shikra Dhahi; Uda, Hashim, Prof. Dr.; N. M., Ahmed (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      A simple method for the fabrication of nanogaps using conventional photolithography combined with pattern-size reduction techniques is presented. Silicon material is used to fabricate the nanogap structure and gold is used ...

    • Future of nanotube structured cathodes for solid oxide fuel cell 

      Md. Rakibul, Hasan; Md Fazlul, Bari, Dr.; Uda, Hashim, Prof. Dr.; Sharifah Bee, O.A Abd Hamid, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      The research on fuel cell is in progress with the increasing demand of present day fuel. The performance of solid oxide fuel cell largely depends on cathode materials and microstructures. A lot of effort has been put but ...

    • Low cost fabrication of micromixer and microchamber for microfluidic lab-on-chip 

      Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa; M. Wesam, Al-Mufti; Ling, Peter Jie Lung; Shahrul Aizzam, Ariffin (Institute of Electrical and Electronic Engineers (IEEE), 2012)
      Microfluidic technology has been given the contribution in biomedical and chemistry. The testing and diagnosis on bio-reagents has the efficiency increased through the implementation of microfluidic technology, such as lab ...

    • Man-2403 resist development for electron beam lithography process 

      Nur Hamidah, Abdul Halim; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor (Universiti Malaysia Pahang, 2009-06-20)
      Line-width of resist patterns is more susceptible to the developing time than the thickness of the undeveloped resist. This project focused on the development of MaN-2403 resist for e-beam lithography process. The ...

    • Mask design for the reproducible fabrication and reliable pattern transfer for polysilicon nanowire 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Leow, Pei Ling (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      In fabrication of Nanowire alignment and exposure are the most critical steps in photolithography process, the resolution requirements and precise alignment are vital, each mask needs to be precisely aligned with original ...

    • Microstructure and polymer choice in microfluidic interfacing for nanoscale biosensing 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Mohd Faizul, Bari, Dr.; Pei, Ling Leow (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      Miniaturization of Biosensors based on nanotechnology are rapidly developing with gaining of undisputable ground and are becoming widespread in the biomedical with capability of improving the existing current diagnosis ...

    • Nanobiosensor for the detection and quantification of specific DNA sequences in degraded biological samples 

      M. E., Ali; Uda, Hashim, Prof. Dr.; Shuhaimi, Mustafa; Yaakob, Che Man, Dato' Dr.; M. H. M., Yusop (Springer-Verlag, 2011-06-20)
      A 27-nucleotide AluI fragment of swine cytochrome b (cytb) gene was integrated to a 3-nm diameter citrate- tannate coated gold nanoparticle to fabricate a species specific nanobiosensor. The biosensor was applied to ...

    • NanoDNA chip for the detection of porcine derivatives in halal products 

      Md. Eaqub, Ali; Uda, Hashim, Prof. Dr.; Md. Fazlul, Bari, Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Pig (Sus scrofa) mitochondrial genome was analyzed for AluI sites by NEB cutter version 2 and REBASE softwares. Out of 66 AluI fragments, five were selected as probes for the construction of porcine mitochondrial DNA ...

    • Nanowire conductance biosensor by spacer patterning lithography technique for DNA hybridization detection: Design and fabrication method 

      Uda, Hashim, Prof. Dr.; Shahrir, Salleh; Emi, Azri Shohini; Siti Fatimah, Abd Rahman (Institute of Electrical and Electronics Engineers (IEEE), 2008-11-04)
      The use of Silicon nanowires has allowed the introduction of many new signal transduction technologies in biosensors. The sensitivity and performance of biosensors is being improved by using doping process for their ...

    • Nanowire formation using electron beam lithography 

      Rahman, S. F. A.; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor; Mohamed Nuri, A. M.; Mohamad Emi Azri, Shohini; Salleh, S. (American Institute of Physics, 2009-06-01)
      Miniaturization and performance improvements are driving the electronics industry to shrink the feature size of semiconductor device. Because of its diffraction limit, conventional photolithography is becoming increasingly ...

    • Numerical simulation of Microfluidic devices 

      Uda, Hashim, Prof. Dr.; P.N A. Diyana; Tijjani Adam, Shuwa (Institute of Electrical and Electronics Engineers (IEEE), 2012-09-19)
      Microfluidic devices present a unique powerful platform for working with living cells. The length and volume scales of these devices in miniaturize system make it possible to perform detailed analyses with several advantages. ...

    • Organic thin film transistor memories with carbon nanodots fabricated by focused ion beam chemical vapor deposition 

      Ruslinda, Abd. Rahim; Uda, Hashim, Prof. Dr.; Fukuda, Hisashi; Tada, Yoshihiro; Wainai, Noriyuki; Uesugi, Katsuhiro; Shimoyama, Yuhei (American Institute of Physics, 2009-06-01)
      Metal-insulator-semiconductor field effect transistor (MISFET) structures with a nanocrystal carbon (nc-C) embedded in SiO2 thin films using a focused ion beam chemical vapor deposition (FIBCVD) system with a precursor of ...

    • Pattern designed for combination of optical lithography and electron beam lithography 

      S. Fatimah, Abd Rahman; Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor; A. M., Mohamed Nuri; Muhamad Emi Azri, Shohini (Universiti Malaysia Pahang, 2009-06-20)
      In this paper the fabricated pattern of nanometer and micrometer structures created with electron beam lithography (EBL) and optical lithography on silicon on insulator (SOI) material is presented. The resist used to ...

    • Photodynamic damage in liver carcinoma HepG2 cells 

      Muhammad, Fakhar-e-Alam, Dr.; Syed Muhammad, Usman Ali; S., Ali; S., Firdous; Muhammad, Atif, Dr.; Zafar Hussain, Ibupoto; Willander, M., Prof.; Mohammad, Kashif; Uda, Hashim, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      Cirrhosis is the consequence of chronic liver disease, which is common in people of Asian countries. In this experimental approach, HepG2 cells are treated as experimental model (appropriate biological sample), extracted ...

    • Pressure effect on Si quantum-dot potential 

      Yarub K. A., Al-Douri; Uda, Hashim, Prof. Dr.; Ahmed, N. M.; Zaliman, Sauli, Prof. Madya (American Institute of Physics, 2009-06-01)
      Application study of the quantum dot potential as a function of hydrostatic pressure for Si has been presented. This study has been calculated by means of our recent model using empirical pseudopotential method. The effect ...

    • Recognition of Limonene volatile using Interdigitated Electrode molecular imprinted polymer sensor 

      Huzein Fahmi, Hawari; Nurul Maisyarah, Samsudin; Mohd Noor, Ahmad, Prof. Dr.; Ali Yeon, Md Shakaff, Prof. Dr.; Supri., A. Ghani, Prof. Madya Dr.; Yufridin, Wahab, Dr.; Uda, Hashim, Prof. Dr. (Institute of Electrical and Electronic Engineers (IEEE), 2012-02-08)
      Limonene is a type of terpene hydrocarbons commonly produced by plants and known to possess a strong smell of oranges. Electronic nose (e-nose) is an artificial olfaction device that is able to replicate the human ...

    • Silicon nanowire sensor by mix and match lithography process: Fabrication and characterization 

      Uda, Hashim, Prof. Dr. (American Institute of Physics, 2012-06-06)
      Silicon nanowires (SiNWs) have attracted significant interest in the study because of their potential to impact applications from nanoscale electronics to biomedical engineering. E-Beam Lithography couple with standard ...

    • A silicon-oxide-silicon vertically separated electrode nanogap device structure 

      Noor, N. H. M.; Uda, Hashim, Prof. Dr.; Muhamad Emi Azry, Shohini; Nuri, A. M. M. (American Institute of Physics, 2009-06-01)
      In this study, we present a simple method to form a nanogap between two silicon contacts separated by a thin oxide gap. We also demonstrate the validity of dielectric spectroscopy results of two wafer samples (different ...

    • State of the art: PDMS surface treatment for the hydrophilization and hydrophobicity 

      Tijjani Adam, Shuwa; Uda, Hashim, Prof. Dr.; Foo, Kai Loong; Qazi Muhammad, Humayun; M., Kashif (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      As advancement in nano laboratory on chip is moving at the speed of light, the Polydimethylsiloxane (PDMS) is frequently used to build microfluidic devices PDMS due to its ease of handling , easy fabrication, transparency ...